The Mercedes-Benz 250 is a rear wheel drive motor vehicle, with its engine positioned in the front, and a 4 door saloon (sedan) body designed by Friedrich Geiger.
It forms part of Mercedes-Benz's W 123 family of cars.
The 6 cylinder, single overhead camshaft naturally aspirated engine has 2 valves per cylinder and a displacement of 2.5 litres. In this application it develops power and torque figures of 127 bhp (129 PS/95 kW) at 5500 rpm and 196 Nm (145 lbft/20 kgm) at 3500 rpm respectively.
The engine supplies its power through to the wheels via a 4 speed automatic gearbox.
It is claimed to achieve a maxiumum speed of 175 km/h (109 mph).
Full specs
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| Carrocería | |||
|---|---|---|---|
| Carrocería | 4/5 seater sedan/saloon | ||
| Número de puertas | 4 | ||
| diseñado por | Friedrich Geiger | ||
| Dimensiones y pesos | |||
| Distancia entre ejes | 2795 | 110 | |
| Vía delantera | 1488 | 58.6 | |
| Vía trasera | 1446 | 56.9 | |
| Longitud | 4725 | 186 | |
| Ancho | 1786 | 70.3 | |
| Altura | 1438 | 56.6 | |
| Despeje del suelo | |||
| Relación Largo:Dist.entre ejes | 1.69 | ||
| Peso en vacío | |||
| Distribución del peso (% adelante) | |||
| Capacità serbatoio | 65 litres | 14.3 [17.2] UK [US] gal. | |
| Aerodinámica | |||
| Coeficiente de penetración | |||
| Superficie frontal | |||
| SCx | |||
| Tren motriz | |||
| naturally aspirated petrol | |||
| Fabricante del motor | Mercedes-Benz | ||
| Código de motor | M 123 V 25/123.920 | ||
| Número de cilindros | Straight 6 | ||
| Cilindrada | 2.5 litre 2525 cc (154.085 cu in) |
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| Diámetro × Carrera | 86 × 72.45 mm
3.39 × 2.85 in |
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| Relación diámetro/carrera | 1.19 | ||
| Distribución | single overhead camshaft (SOHC)
2 válvulas por cilindro 12 Total de válvulas |
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| Potencia nominal (DIN) |
129 PS (127 bhp) (95 kW) a 5500 rpm |
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| Par motor máximo (DIN) |
196 Nm (145 ft·lb) (20 kgm) a 3500 rpm |
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| Potencia específica (DIN) |
37.5 kW/litre 51 ps/litre 50.3 bhp/litre 0.82 bhp/cu in |
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(DIN) |
77.62 Nm/litre
0.94 ft·lb/cu3 |
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| Materiales de block / culata | |||
| Lubricación | Cárter húmedo | ||
| Relación de compresión | 8.7:1 | ||
| Alimentación | 1 Solex 4 A 1 carburettor | ||
| 975.4 kPa (141.5 psi) | |||
| Maximum RPM | |||
| Casquillos de cigüeñal | 4 | ||
| Engine coolant | Water | ||
| 420.83 cc | |||
| Aspiración | Normal | ||
| Compresor | N/A | ||
| intercooler | None | ||
| catalizador | N | ||
| Rendimiento | |||
| 0-80km/h | |||
| 0-60mph | |||
| 0-100km/h | 12.4 s | ||
| 0-160km/h | |||
| 0-400m | |||
| 0-1000m | |||
| Velocidad máxima | 175 km/h (109 mph) | ||
| Power-to-weight ratio | |||
| Weight-to-power ratio | |||
| Consumos | |||
| Consumo de combustible | |||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | |||
| km/litre | |||
| UK MPG | |||
| US MPG | |||
| Emisiones de CO2 | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| Chasis | |||
| Ubicación del motor | front | ||
| Engine layout | longitudinal | ||
| Tracción | rear wheel drive | ||
| Alimentación | N/A | ||
| Dirección, tipo | |||
| turns lock-to-lock | 4.300 | ||
| Turning circle | |||
| Suspensión delantera | I.DW.CS.ARB. | ||
| Suspensión trasera | I.STA.CS.ARB. | ||
| Ruedas delante | |||
| Ruedas detrás | |||
| Neumáticos delante | 175 SR 14 | ||
| Neumáticos detrás | 175 SR 14 | ||
| Brakes F/R | Di/Di-S | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Transmisión | 4 speed automatic | ||
| Eje trasero desmultiplicación | 1 | ||
| Desmultiplicación grupo cónico | 3.69 | ||
| General | |||
| Carfolio.com ID | 339559 | ||
| Unidades producidas | |||
| Model code | |||
| W 123 | |||
| RAC rating | 27.5 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1978 Mercedes-Benz 250 Automatic added 2013-06-18. Last modified 2020-02-02. |
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